filename ='data/sitka_weather_2018_simple.csv'
with open(filename) as f:
    
    dates, highs, lows = [], [], []
    for row in f:
        current_row = row.split(',')
        try:
            high = int(current_row[5])
            low = int(current_row[6])
        except ValueError:
            print(f"Missing data for {current_row[0]}")
        else:
            dates.append(current_row[0])
            highs.append(high)
            lows.append(low)
    print(highs)
    print(lows)
